What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT POWER SUPPLY SYSTEM TEST FAILED TO TEST. MAINTENANCE REPLACED THE POWER SUPPLY BATTERY IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT POWER SUPPLY SYSTEM TEST FAILED TO TEST. MAINTENANCE REPLACED THE POWER SUPPLY BATTERY IAW AMM 33-51-38.